Yakuena hachijoensis (Kuroda)

Hachijojima Snail (Yakuena hachijoensis)

The Hachijojima Snail was described in 1945; it is, or maybe was, restricted to the island of Hachijojima in the Izu Islands group, Japan.

The species is considered extinct since 2016. [1]

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References:

[1] Robert H. Cowie; Claire Régnier; Benoît Fontaine; Philippe Bouchet. Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41. 2017

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edited: 08.05.2022